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31-15-4510 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

31-15-4510: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, style_designator: PLAIN, seat_angle_in_deg: 59.000 MINIMUM AND 61.000 MAXIMUM, body_inside_diameter: 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, body_outside_diameter: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-169-7439, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
31-15-4510
NSN: 4820-00-169-7439
NIINs: 001697439, 014249496
FSC: 4820 — Valves, Nonpowered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
style_designatorPLAIN
seat_angle_in_deg59.000 MINIMUM AND 61.000 MAXIMUM
body_inside_diameter0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
body_outside_diameter0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
material_document_and_classificationQQ-S-763,CLASS 440A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
NSN4820-00-169-7439
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31-15-4510 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 440A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
•
BODY INSIDE DIAMETER: 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SEAT ANGLE IN DEG: 59.000 MINIMUM AND 61.000 MAXIMUM
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 440A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A
BODY INSIDE DIAMETER0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG59.000 MINIMUM AND 61.000 MAXIMUM
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31-15-4510?
31-15-4510 is a SEAT,VALVE.
What is the NSN for 31-15-4510?
31-15-4510 is cataloged in the U.S. Government catalog under NSN 4820-00-169-7439. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.